Home / 106,284.60-146,683.11-79,380.41

Finding the Fourth Proportional to 106,284.60, 146,683.11 and 79,380.41

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Solution

The fourth proportional to 106,284.60, 146,683.11 and 79,380.41 is: 109,552.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,284.60 : 146,683.11 = 79,380.41 : x
  2. Step 2: Convert to fraction form
    106,284.60/146,683.11 = 79,380.41/x
  3. Step 3: Cross multiply
    106,284.60x = 146,683.11 × 79,380.41
  4. Step 4: Simplify right side
    106,284.60x = 11,643,764,678.46
  5. Step 5: Solve for x
    x = 11,643,764,678.46/106,284.60
  6. Step 6: Final answer
    x = 109,552.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.